3726562

Information

• Patent Grant
• 3726562

• References
• Source

• Patent Number

  3,726,562

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1973
  51 years ago

• CPC

  • E21C27/20 - Mineral freed by means not involving slitting
  • E21C35/223 - Equipment associated with mining machines for sucking dust-laden air from the cutting area, with or without cleaning of the air

• US Classifications

  • 299 - Mining or in situ disintegration of hard material